]> git.sesse.net Git - mlt/blobdiff - src/modules/qimage/producer_kdenlivetitle.c
Fix calloc() parameter ordering
[mlt] / src / modules / qimage / producer_kdenlivetitle.c
index 136c9edba2a999f95b95acff095d62b2603281be..693538be0b921f390a57edcbca4fe64421d8016e 100644 (file)
@@ -1,6 +1,7 @@
 /*
  * producer_kdenlivetitle.c -- kdenlive producer
  * Copyright (c) 2009 Marco Gittler <g.marco@freenet.de>
+ * Copyright (c) 2009 Jean-Baptiste Mardelle <jb@kdenlive.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#include "kdenlivetitle_wrapper.h"
+
 #include <framework/mlt.h>
-//#include "frei0r_helper.h"
 #include <stdlib.h>
 #include <string.h>
-//#include <QtCore/QCoreApplication>
-//#include <QtGui/QImage>
-extern void init_qt();
-extern void refresh_kdenlivetitle(uint8_t*,int,int,double);
 
-static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
+
+void read_xml(mlt_properties properties)
 {
+       FILE *f = fopen( mlt_properties_get( properties, "resource" ), "r");
+       if ( f != NULL )
+       {
+               int size = 0;
+               long lSize;
+               fseek (f , 0 , SEEK_END);
+               lSize = ftell (f);
+               rewind (f);
+
+               char *infile = (char*) mlt_pool_alloc(lSize);
+               size=fread(infile,1,lSize,f);
+               infile[size] = '\0';
+               fclose(f);
+               mlt_properties_set(properties, "_xmldata", infile);
+               mlt_pool_release( infile );
+       }
+}
 
-    // Obtain properties of frame
-    mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
-
-    // Obtain the producer for this frame
-    mlt_producer producer = mlt_properties_get_data( properties, "producer_kdenlivetitle", NULL );
-
-    // Obtain properties of producer
-    mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
-    int size1;
-    // Allocate the image
-    int size = *width * ( *height  ) * 4;
-
-    // Update the frame
-    mlt_properties_set_int( properties, "width", *width );
-    mlt_properties_set_int( properties, "height", *height );
-    //unchached now
-    if ( 1 )
-    {
-        // Allocate the image
-        uint8_t *image = mlt_pool_alloc( size );
-        *format = mlt_image_rgb24a;
-        mlt_position in = mlt_producer_get_in( producer );
-        mlt_position out = mlt_producer_get_out( producer );
-        mlt_position time = mlt_frame_get_position( frame );
-        double position = ( double )( time - in ) / ( double )( out - in + 1 );
-
-        refresh_kdenlivetitle( image, *width, *height, position );
-        
-        *buffer=image;
-        mlt_properties_set_data( properties, "image", image, size, mlt_pool_release, NULL );
-        mlt_log_debug( MLT_PRODUCER_SERVICE(producer), "width:%d height:%d %s\n",*width,*height, mlt_image_format_name( *format ) );
-    }   
-
-    return 0;
+static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable )
+{
+       /* Obtain properties of frame */
+       mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
+
+       /* Obtain the producer for this frame */
+       producer_ktitle this = mlt_properties_get_data( properties, "producer_kdenlivetitle", NULL );
+       
+       /* Obtain properties of producer */
+       mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( &this->parent );
+       
+       *width = mlt_properties_get_int( properties, "rescale_width" );
+       *height = mlt_properties_get_int( properties, "rescale_height" );
+       
+       mlt_service_lock( MLT_PRODUCER_SERVICE( &this->parent ) );
+
+       /* Allocate the image */
+       *format = mlt_image_rgb24a;
+       mlt_position time = mlt_producer_position( &this->parent ) + mlt_producer_get_in( &this->parent );
+       if ( mlt_properties_get_int( producer_props, "force_reload" ) ) {
+               if (mlt_properties_get_int( producer_props, "force_reload" ) > 1) read_xml(producer_props);
+               mlt_properties_set_int( producer_props, "force_reload", 0 );
+               drawKdenliveTitle( this, frame, *width, *height, time, 1);
+       }
+       else drawKdenliveTitle( this, frame, *width, *height, time, 0);
+
+       // Get width and height (may have changed during the refresh)
+       *width = mlt_properties_get_int( properties, "width" );
+       *height = mlt_properties_get_int( properties, "height" );
+               
+       if ( this->current_image )
+       {
+               // Clone the image and the alpha
+               int image_size = this->current_width * ( this->current_height ) * 4;
+               uint8_t *image_copy = mlt_pool_alloc( image_size );
+               memcpy( image_copy, this->current_image, image_size );
+               // Now update properties so we free the copy after
+               mlt_frame_set_image( frame, image_copy, image_size, mlt_pool_release );
+               // We're going to pass the copy on
+               *buffer = image_copy;           
+
+               mlt_log_debug( MLT_PRODUCER_SERVICE( &this->parent ), "width:%d height:%d %s\n", *width, *height, mlt_image_format_name( *format ) );
+       }
+
+       mlt_service_unlock( MLT_PRODUCER_SERVICE( &this->parent ) );
+
+       return 0;
 }
 
-int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
+static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int index )
+
 {
-    // Generate a frame
-    *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( producer ) );
+       // Get the real structure for this producer
+       producer_ktitle this = producer->child;
+
+       /* Generate a frame */
+       *frame = mlt_frame_init( MLT_PRODUCER_SERVICE( producer ) );
 
-    if ( *frame != NULL )
-    {
-        // Obtain properties of frame and producer
-        mlt_properties properties = MLT_FRAME_PROPERTIES( *frame );
+       if ( *frame != NULL )
+       {
+               /* Obtain properties of frame and producer */
+               mlt_properties properties = MLT_FRAME_PROPERTIES( *frame );
 
-        // Obtain properties of producer
-        mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
+               /* Obtain properties of producer */
+               mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
 
-        // Set the producer on the frame properties
-        mlt_properties_set_data( properties, "producer_kdenlivetitle", producer, 0, NULL, NULL );
+               /* Set the producer on the frame properties */
+               mlt_properties_set_data( properties, "producer_kdenlivetitle", this, 0, NULL, NULL );
 
-        // Update timecode on the frame we're creating
-        mlt_frame_set_position( *frame, mlt_producer_position( producer ) );
+               /* Update timecode on the frame we're creating */
+               mlt_frame_set_position( *frame, mlt_producer_position( producer ) );
 
-        // Set producer-specific frame properties
-        mlt_properties_set_int( properties, "progressive", 1 );
-        mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( producer_props, "aspect_ratio" ) );
+               /* Set producer-specific frame properties */
+               mlt_profile profile = mlt_service_profile ( MLT_PRODUCER_SERVICE( producer ) ) ;
+               mlt_properties_set_int( properties, "progressive", ( profile ) ? profile->progressive : 1 );
+               mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( producer_props, "aspect_ratio" ) );
 
-        // Push the get_image method
-        mlt_frame_push_get_image( *frame, producer_get_image );
-    }
+               /* Push the get_image method */
+               mlt_frame_push_get_image( *frame, producer_get_image );
+       }
 
-    // Calculate the next timecode
-    mlt_producer_prepare_next( producer );
+       /* Calculate the next timecode */
+       mlt_producer_prepare_next( producer );
 
-    return 0;
+       return 0;
 }
 
-void producer_close( mlt_producer producer )
+static void producer_close( mlt_producer producer )
 {
-    producer->close = NULL;
-    mlt_producer_close( producer );    
-
-    free( producer );
+       /* fprintf(stderr, "::::::::::::::  CLOSING TITLE\n"); */
+       producer->close = NULL;
+       mlt_producer_close( producer );
+       free( producer );
 }
-mlt_producer producer_kdenlivetitle_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
+
+
+mlt_producer producer_kdenlivetitle_init( mlt_profile profile, mlt_service_type type, const char *id, char *filename )
 {
-    // Create a new producer object
-    mlt_producer this = mlt_producer_new( );
-
-    // Initialise the producer
-    if ( this != NULL )
-    {
-        // Callback registration
-        this->get_frame = producer_get_frame;
-        this->close = ( mlt_destructor )producer_close;
-    }
-    init_qt(arg);
-    return this;
+       /* fprintf(stderr, ":::::::::::: CREATE TITLE\n"); */
+       /* Create a new producer object */
+       
+       producer_ktitle this = calloc( 1, sizeof( struct producer_ktitle_s ) );
+       if ( this != NULL && mlt_producer_init( &this->parent, this ) == 0 )
+       {
+               mlt_producer producer = &this->parent;
+               
+               /* Get the properties interface */
+               mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
+               /* Callback registration */
+               producer->get_frame = producer_get_frame;
+               producer->close = ( mlt_destructor )producer_close;
+               mlt_properties_set( properties, "resource", filename );
+               //mlt_properties_set_int( properties, "aspect_ratio", 1 );
+               read_xml(properties);
+               return producer;
+       }
+       free( this );
+       return NULL;
 }